Since oil was discovered in the wilderness of Nigeria, it became one of the biggest oil exporters in the World. Nigeria witnessed an oil boom in the 1970's. The country is also very rich in biodiversity. Mostly the major industries are all located in the populous cities of Nigeria which are Lagos, kano, Ibadan, kaduna and Abuja which is also the capital of Nigeria. The rich oil reserves have given a chance for the oil and petroleum industry in the country to flourish and this industry was the main reason because of which Nigeria was able to pay off its debts to the Paris Club otherwise Nigeria would have remained engulfed in poverty.
The Agriculture industry is also highly prominent in Nigeria as most of its people are traditionally farmers. Crops such as corn and maize are often cultivated here. Groundnut, Sugarcane, coconut and other citrus fruits are also grown here. But the Agriculture Industry received stiff competition from the oil and petroleum industry and hence wasn't doing well recently. Thus, the country which used to export a lot of food started importing food to make ends meet. Now, the Government has made reforms to rejuvenate the Agriculture Industry in Nigeria.
The cities of Lagos, kano and Onitsha are the homes of several industries like the Cotton, Textile, Garment manufacturing as well as the Leather industry which thrive in these cities. It is also the home to the manufacturing units of some of the big names in the Car manufacturing industry like Peugeot and General Motors. Apart from being a major manufacturing sector, Nigeria also is home to making T shirts and processing food.